R2#sh run
Building configuration...
 service password-encryption
!
hostname R2

!
!
!
interface Loopback0
 ip address 2.2.2.2 255.255.255.255
!
interface Loopback1
 ip address 1.1.1.1 255.255.255.255
!
interface Tunnel0
 ip address 24.24.24.2 255.255.255.0
 ip pim sparse-dense-mode
 ip ospf cost 1
 tunnel source Loopback0
 tunnel destination 4.4.4.4

ip pim bsr-candidate Tunnel0 0
ip pim rp-candidate Loopback1 interval 10
ip msdp peer 4.4.4.4 connect-source Loopback0
ip msdp originator-id Loopback0
!
!

!

R2#
RACK18AS>4
[Resuming connection 4 to r4 ... ]

*M
R4(config)#^Z
R4#sh run
*Mar  1 00:59:21.199: %SYS-5-CONFIG_I: Configured from console by console
R4#sh run

!
hostname R4
!
!
!
!
interface Loopback0
 ip address 4.4.4.4 255.255.255.255
!
interface Loopback1
 ip address 1.1.1.1 255.255.255.255
!
interface Tunnel0
 ip address 24.24.24.4 255.255.255.0
 ip pim sparse-dense-mode
 ip ospf cost 1
 tunnel source Loopback0
 tunnel destination 2.2.2.2
!
ip pim spt-threshold 0
ip pim rp-candidate Loopback1 interval 10
ip msdp peer 2.2.2.2 connect-source Loopback0
ip msdp originator-id Loopback0
!